[SOLVED] nVidia display problems
Bruce Miller
subscribe at brmiller.ca
Fri Sep 10 11:19:28 UTC 2010
----- Original Message ----
> From: Mathieu Trudel-Lapierre <mathieu-tl at ubuntu.com>
> To: Bruce Miller <subscribe at brmiller.ca>
> Cc: Michael Haney <thezorch at gmail.com>; ubuntu-qa at lists.ubuntu.com
> Sent: Thu, September 9, 2010 5:54:18 PM
> Subject: Re: The Final Straw
>
> On Thu, Sep 9, 2010 at 4:29 PM, Bruce Miller <subscribe at brmiller.ca> wrote:
> > I have been considering for some time filing a bug report about nvidia and
>my
> > monitor. I will hold off, for the time being, pending a reply to this
> > message. What I would appreciate is knowing exactly what info itwould be
>most
> > useful to provide.
> >
> [...]
> > I shall try booting into a recovery console to see what can be salvaged. If
>I
> > cannot manage anything, I will re-install. If that continues to leave me
>unable
> > to bring up 1920 x 1200, please let me know what information would be most
> > useful to help troubleshoot the problem. Should I do it here? or in a bug
> > report? or both?
>
> Hi Bruce,
>
> What you're describing doesn't seem to me like quite the same problem.
> In any case, please default to filing a bug (the ubuntu-bug command is
> great for this!). It's easy for developers to go back to it and mark
> it as a duplicate later anyway, and it makes sure we get the
> information about your specific problem and that we can work on fixing
> it by having all the information that pertains to that case: hardware
> model, PCI IDs, etc.
>
> Mathieu Trudel-Lapierre <mathieu-tl at ubuntu.com>
> Freenode: cyphermox, Jabber: mathieu.tl at gmail.com
> 4096R/EE018C93 1967 8F7D 03A1 8F38 732E FF82 C126 33E1 EE01 8C93
Mathieu,
Thanks for the helpful reply.
I wrote yesterday's message from work where I am restricted to a tightly
locked-down XP environment.
The good news is that, since I last tried maverick about two weeks ago, the
nVidia proprietary module and the monitor recognition routines have agreed to
play nice together :-) . For the first time since it appeared, the KDE session
in maverick now displays at its proper 1920 x 1200 resolution.
Memory is better when one is sitting in front of the environment being
discussed. For the record, two points:
1. I recall an inconsistency between the video drivers reported by jockey-text
and lspci. To this observer, that signaled trouble. The inconsistency is now
gone:
bruce at Xenophon:~$ sudo jockey-text -l
xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled,
In use)
bruce at Xenophon:~$ sudo lspci -vv | grep -i nvidia
01:00.0 VGA compatible controller: nVidia Corporation G73 [GeForce 7600 GS] (rev
a1) (prog-if 00 [VGA controller])
Kernel driver in use: nvidia Kernel modules: nvidia-current,
nouveau, nvidiafb
2. On the margins of a local LUG meeting several years ago, I recall Dell reps
telling me that they knew that the Dell 2405FPW monitor did not return proper
EDID information. My problem has been that, for the last four years, Kubuntu
worked with the monitor despite this problem. For the last several months with
maverick, it did not.
While I am relieved that the problem is solved, there might still be a lesson
learned. Not all monitors return correct EDID information. Previous versions of
U/Kubuntu worked with monitors that did not. It is risky to remove the routines
that provided the workaround.
Thanks again for yesterday's helpful reply. I hope that this new information is
useful.
--Bruce Miller, Ottawa, Ontario, Canada
bruce at brmiller.ca; (613) 745-1151
Just when you think your software is idiot proof, somebody comes up with a
better idiot
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